An especially sleek portrait-length prime, the 56mm f/1.4 DC DN is part of Sigma‘s Contemporary series of lenses, and is designed for use with APS-C-format Sony E-mount mirrorless cameras. The lens is characterized by its bright f/1.4 maximum aperture, which suits working in difficult lighting conditions and also offers improved control over depth of field for isolating subjects and working with selective focus techniques. The optical design utilizes two aspherical elements and one SLD element, which help to reduce both spherical and chromatic aberrations for greater sharpness and clarity. A Super Multi-Layer Coating has also been applied to suppress flare and ghosting in order to achieve more contrast and color accuracy when working in strong lighting conditions. Complementing the optics is a stepping AF motor, which suits both photo and video applications due to its quick, precise, and near-silent performance.
Sigma 56mm F/1.4 DC DN Contemporary Specifications
Focal Length
56mm (35mm Equivalent Focal Length: 84mm)
Maximum Aperture
f/1.4
Minimum Aperture
f/16
Lens Mount
Sony E
Format Compatibility
APS-C
Angle of View
28.5°
Minimum Focus Distance
1.64′ / 50 cm
Maximum Magnification
0.14x
Optical Design
10 Elements in 6 Groups
Diaphragm Blades
9, Rounded
Focus Type
Autofocus
Image Stabilization
None
Filter Size
55 mm (Front)
Dimensions (ø x L)
2.62 x 2.34″ / 66.5 x 59.5 mm
Weight
9.88 oz / 280 g
Packaging Info
Package Weight
1.025 lb
Box Dimensions (LxWxH)
4.2 x 4.15 x 3.75″
Brand
SONY
Sony began in the wake of World War II. In 1946, Masaru Ibuka started an electronics shop in Shirokiya,[23] a department store building in the Nihonbashi area of Tokyo. The company started with a capital of ¥190,000[24] and a total of eight employees.[25] On 7 May 1946, Ibuka was joined by Akio Morita to establish a company called Tokyo Tsushin Kogyo (東京通信工業, Tōkyō Tsūshin Kōgyō) (Tokyo Telecommunications Engineering Corporation).[26] The company built Japan's first tape recorder, called the Type-G.[26][27] In 1958, the company changed its name to "Sony".[28]
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